T/C Firearms 31007357: The Thompson Center Arms In-Line Cleaning System works with any .50 caliber In-Line Muzzleloader. This cleaning system includes Natural Lube 1000 Plus Bore Butter, No. 13 Bore Cleaner/Powder Solvent, a .50 caliber bronze bore brush, a .50 caliber Super Jag, cotton cleaning patches, a cleaning/utility brush, a silicone gun cloth, and Super Lube Anti-Seize Lubricant.